MAWC, AUSTIN TRAILS WWTF

Address

SE OF THE INTERSECTION OF MATTERHORN DR.
CEDAR HILL, MO 63016
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County

JEFFERSON County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

1 · last Nov 9, 2022

Total Penalties

$0

Registry ID

110070685978

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

2

Water (CWA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Effluent Violations - Numeric effluent violation	Oct 4, 2024	—	Open
cwa	Effluent Violations - Numeric effluent violation	Jul 3, 2024	—	Open
cwa	Effluent Violations - Numeric effluent violation	Jun 30, 2022	Jun 30, 2022	Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	22.70 mg/L	3.60	+531%	Jun 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	22.70 mg/L	1.40	+1,521%	Jun 2024	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	38.00 mg/L	30.00	+27%	Jun 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	27.50 mg/L	7.50	+267%	Mar 2024	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	20.70 mg/L	2.90	+614%	Mar 2024	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	58.00 mg/L	45.00	+29%	Mar 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	39.00 mg/L	30.00	+30%	Mar 2022	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	10.26 mg/L	2.90	+254%	Mar 2022	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	36.00 mg/L	30.00	+20%	Mar 2022	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	20.00 mg/L	7.50	+167%	Mar 2022	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	58.00 mg/L	45.00	+29%	Mar 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	76.00 mg/L	45.00	+69%	Jun 2020	Open
Solids, total suspended	DMR, Limited - Numeric Violation	56.00 mg/L	30.00	+87%	Jun 2020	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	55.00 mg/L	30.00	+83%	Jun 2020	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	55.00 mg/L	45.00	+22%	Jun 2020	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	38.80 mg/L	3.60	+978%	Jun 2020	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	36.10 mg/L	1.40	+2,479%	Jun 2020	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	46.70 mg/L	2.90	+1,510%	Mar 2020	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	43.00 mg/L	30.00	+43%	Mar 2020	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	46.70 mg/L	7.50	+523%	Mar 2020	Open

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